Unable to add MeSH Subjects with qualifiers

[bushmanb]

For tracking purposes, please create a separate issue for each indexing improvement request.

• Please describe the expected performance and accuracy of a particular vocabulary.

We are unable to locate and add MeSH subjects that contain qualifiers (subdivisions). For example we want to use Dementia/therapy (i.e.., Dementia--therapy) The only option we have to retrieve is Dementia without any qualifiers/subheadings. We can see they exist from the contextual information provided, but cannot access them.

Thanks.

• If applicable, please update and provide links related to existing tests, e.g. https://github.com/LD4P/qa_server/tree/master/lib/generators/qa_server/templates/config/authorities/linked_data/scenarios
• If applicable, please update the relevant tab in https://docs.google.com/spreadsheets/d/1rPvEoP9iYNkxJ0eWC8gXe3ci7e6mhW0da59xkGhadi0/edit?usp=sharing for the particular dataset in question